How likely are you to live to 100? Get the full data

More than a quarter of children aged 16 will see their 100th birthdays. Find out how likely you are to get there
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A girl born this year has a one-in-three chance of reaching their 100th birthday, while boys have a one-in-four chance, the Office for National Statistics figures show. Photograph: David Levene for the Guardian

While a girl born in 2011 has a one-in-three chance of living to their 100th birthday, a boy has a one-in-four chance. However, compared to a baby born in 1931, the children of 2011 are almost eight times more likely to become centenarians.

The predictions by the Office for National Statistics estimate the likelihood of reaching 100 by looking either at your age now or the year of your birth. They show that by 2066, there will be more than half a million people in the UK aged 100 or over.

The phenomenon of Britain's ageingpopulation will impact on everything from pensions to the national health service. Pensions Minister Steve Webb says:

the dramatic speed at which life expectancy is changing means that we need to radically rethink our perceptions about our later lives … We simply can't look to our grandparents' experience of retirement as a model for our own. We will live longer and we will have to save more

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So, what does it mean? Key figures from the data, show:

• The average chance of a 20-year-old to reach 100 is 23%; however women aged 20 have a 26.6% chance - heavily contrasting with the male 19.5%• Those aged 50 in 2011 have a 14.2% chance of seeing the year 2061 (17% of women, 11.4% of men) • A further ten years reduces your chances by 2.2%, and by the time they reach 70 the average Briton will be at 10.4% • Those aged 83-84 now have lowest likelihood of reaching 100 of any age group - 7.2%. Beyond this percentages begin to look up, with a 99-year-old having a 67.% chance of making it through to their 100th birthday

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